题目内容

Jill is teaching in Hong Kong now.

A. 对
B. 错

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Both Jill and Sue are single.

A. 对
B. 错

Jill gives Sue her card.

A. 对
B. 错

Passage:[音频]State the occassion, date, ().Include addresses, () if necessary and ().Mention if refreshments ().Express that you are looking forward to ().If guests are from other countries, send out your invitation ().

工业机器人焊接相比于传统手工焊接有哪些优势（）。

A. 工作效率高
B. 焊缝外观一致性好
C. 适用于批量化生产
D. 以上全是